Magazine for cinematographic projectors



M. E. MYERS.

MAGAZINE FOR CINEMATDGRAPHIC PROJECTORS.

APPLICATION men FEB. 14. 1919.

1,424,735. Patented Aug. 1, 1922.

2 SHEETS-SHE I.

M. E. MYERS.

MAGAZINE FOR CINEMATOGBAPHIC PROJECTORS.

APPLICATION FILED FEB. 4, 1919- 1,424,735. Patented Aug. 1, 1922.

2 SHEETS-SHEET 2- INVENTOR MTORNEY.

, snares snares rarer moron man on NEW YORK, n. 1.. assrono'n co m rancrsron 00. me, Oh m YORK, N: Y., A CORPORATION OF m to.

Specification of Letters Patent.

Patented Au 1, 1922.

Application filed. immr M, 1910. Serial m. amen.

To all whom it ma. concern:

Be it known that Monro): EABLE Mme, a citizen-of the United States, residing at the borough of Manhat in the city, county, and State of New vented certain new anduseiul Improvements in Ma ines for cinematographic Projectors, 0 which the following is a specification, reference being bad therein to t e accompanying drawings, which form a part thereof.

My invention relates to in zines for cinematographic projectors, an more particularly to those-structural characteristics by which the threading of the film, and repairs thereto, are facilitated.

Magazines for cinemato raphic rojectors, as heretofore constructe have can composed of a case permanently mounted upon,

or supported from, the lens box, a valve mechanism for preventing the passage of flame from said lens box to the magazine being disposed between said lens box an the cases containing the reel from which the film is unwound, and the reel upon which the film is rewound. The dimensions of said film cases were slightly greater than the dimensions of the reel, the side of the box thus extending in close proximity to the rim of the reel.

With this old and well known type of magazine the reel in the film case was extremely difiicult of access for purposes of threading a new reel, or repairing a broken one. Furthermore, access could be had to the magazine from only one side of. the me.-

With these conditions in mind, the main object of the invention has been to provide ma zine so constructed that when it is open it will expose the entire edge of the reel in a manner to permit free access to the film thereon, irrespective of the quantity of film upon the reel, and 'thus facilitate the threading of, or repairs to, the a magazine made in accordance with my invention, the film is accessible from either side of the projector, the structure of the magazine being capable of variation accordin to the degree of accessibility desired.

fihe invention consists primarily in a e for cinemato aphic projectors, em dying therein a bac p ate, a reel spindle projecting from, and adapted to hold ork, have ina a film reel await; from,lsaid plate in a manner to expose t e edge of the reel when the same is o nod, and a cover hinged in relation to said back plate, having a deep flange adapted to pro'ect across the edge-of the reel, said flange aving a slot therein through which the film may pass to the lens box, and in such other novel features of construction and combination of parts, as are hereinafter set forth and described, and more particularly pointed out in the claims hereto ap ended.

Referring to t e drawin Fig. 1 is a front view o a. lens box of a proJector having associated therewith magazines made in accordance with m invention, one of said magazines being sliown in cross section;

Fig. 2 is aside view of the form of the invention shown in Fig. 1, showiii the u per magazine and upper portion of t 0 lens ox; 1g. 3 is a v ew in cross section of another embodiment of the invention;

Fig. 4 is a front view of the form of the invention shown in Fig. 8, with the back plate and cover in the open position;

Fig. 5 is a plan view thereof;

Fig. 6 is a side view of another embodiment of the invention;

Fig. 7 is a side view of still another embodiment of the invention; and

Fig. 8 is a side view illustrating the form of the invention shown in Figs. 1 and 2,

utilizin a rectangular magazine, instead of ac lin rical ma azine.

ike letters re er to like parts throughout the several views.

In the accompanying drawings, I have illustrated at a a lens box containing the lens system and the film feeding mechanism, and other parts appurtenant thereto. Associated with said lens box are two magazines one of which is adapted to contain a reel from which film is adapted to be fed by said feedin mechanism, and the other of. which is. a apted to have the film wound thereon after it has been pased across the sight opening. The detailed construction of the film fee ing and rewinding mechanism is not shown in the accompanying drawings, as an desired mechanism of this character may used, and the details of thismechanism are immaterial to my present invention.

- by'an Between the lens box a and each of the film magazines is a casin b-b', in which is located respectively, a va ve mechamsm for preventing transmission of flame from the lens box to the magazines.

In the form of the invention shown, these valve cases are mounted upon the lens box a instead of being secured to the magazines, as has heretofore been the practice.

Referring now more particularly to the form of the invention shown in Figs. 1 and 2, the m zinc is shown as being sup rted d: arm 0 carried b. the lens 1 a, said arm aving ermanent y secured thereto, in any desired manner, as by means of bolts or rivets, the base. d having a. narrow flange d of slightly less diameter than the base. Carried by this base is a bracket e, and carried by. the arm 0 and t e base d is a spindle f pro ecting substantially axially of said-base to an extent to hold the film reel g, when mounted thereon, well away from the base, and to an extent to expose the entire periphery of said reel beyond the flange d.

(Jo-operating with the based in inclosing the reel 9, is a cover It having a deep flange It projecting across the edge of the reel and tan a slip fit with the reduced flan ad of sax base. This cover is hinged to t e base d by means of a hinge member h pivotally mounted in relation. to the hinge bracket e. The flange II. of the cover It IS slotted adjacent the valve casi b as at hr, to. permit the passage of the 6 m from the magazine through said casin and its contained valve mechanism, to t e lens box a. The top of the casing h is so shaped as to conform to the flange It, thus rm'itting'a sufliciently tight joint at this point to secure a substantially fire-proof structure, and completely close the slot h. The construction of the lower magazine is substantially as heretofore described in connection with the upper ma azine, with the exception that the spindle of the said magazine is power driven by means of the pulley i.

In this form of the invention the base (8 is stationary in its relation to the lens box, the cover It having movement away from said base.

The base d is provided with the usual sight opening d protected in the usual manner, and the cover It is provided with a similar s' ht opening it. p

Re erring now to the form of the invention shown in Figs. 3 to 5, I have illustrated a magazine structure adapted to receive the reel containing the film to be fed through the lens box.

In this embodiment of the invention, I employ a standard j supporting the spindle f, the base of said standard having an arm 7", so formed as to follow the peripher of the magazine proper when closed. liB

standard has mounted thereon the members la-Ia', secured respectivel to t e base member d and the cover member In.

The standard 7' is so positioned as to be within the magazine when it is closed, the base (I being provided with a slot d" to receive the standard.

In this form of the invention, like that shown in Figs. 1 and 2, when the magazine a Fig. 6, the construction is like that shown in Figs. 1 and 2 with the exception that the base d is made in two sections, one section of which, d, is hinged along a line parallel with the line of movement of the hn, to the main portion of the base, so as to ermit the exposure of a portion of the rec at the edge thereof towards which the film passes to the valve casing;

. In the form of the invention shown in Fig. 7, the construction, with the exception of the location of the bin e connection be tween the two sections 0 the base, is the same as shown in Fig. 6, the bin of the section, d, in this form of the invention, extending obliquely to the direction of travel of the film, instead of parallel therewith, as in Fig. 6.

Referrin to Fig. 8, the construction is identical with that described in Fl 8. 1 and 2, with the exception that I have sEown the contour of the magazine as being a par allelogram instead of circular. 1

The operation of the herein described ma azine is substantially as follows:-

rdinarily cinematographic projectors are used in pairs, the position of the operator being between the projectors. With the form of m azine now commonly used, the reel is so inc osed that in the event of breakage of the film it is necessary for the operator to pass about a machine in order to gain access to the magazine. Furthermore, the space between the wall of the magazine and the periphery of the reel, is so small that it is extremely dillieult for the operator to handle the end of the film, whether this end be the free end of the film or a broken end thereof, it being ordinarily necessary to unwind a considerable portion of the film in order to have sufficient slack to permit a convenient handling thereof. But even with this slack, the lack of space between the edge of the reel and the inner wall of the magazine makes the threading of the film diilicult.

With a magazine made in accordance with ,eover .expoaes the entire edge of spindle f in t invention;1 and this a plies to all 'forms 0 the inven on shown, e opening of the the reel and leaves ampleclearance between same and the valve casing, to permit ready access to the film, and the convenient threading of the same through the valve. To

secure these results it is necemary to have the valve casing and its mechanism stationarily supported, the cover having move ment with relation thereto.

When a film has been properly threaded, the cover It is swung upon its hinge, the slot It in the flange It thereof, straddling the film, and the of this flange sli ing over the fla and forming a tig t oint therewith. aid flange also extends mto suflieiently close juxtaposition to the valve casing b or b to form a sufiiciently tight joint therewith to provide the desired factor of safety to make the magazine substantially fire-proof In the form of the' invention shown in Figs. 8 to 5, in opening the magazine, the cover It is first swung'away from the base (I, and if acoem is desired only of the machine toward the cover, the base if need not be disturbed, but it access bedesired from the other side of the machine, or

that side toward said base, the base itself may be swung upon the arm 7" and thus expose the entire reel and permit a more convenient access thereto from the side of the machine toward said base. In this form of the invention the standard 7' maintains the he desired fixed relation to the lens box.

In the form of the invention shown -in Figs. ,6 and 7, if it be desired to have access to the magazine from the side toward the cover, the cover only need be moved, but if access be desired from the side toward the base d the hirzlged portion :1, of said in the form of the invention shown in %he forms of the invention shown in Figs. 6 and 7 are desirable in connection with a magazine for the rewind reel, since the bracket 0 is fixed and afi'ords a suitable mount for a rotatable spindle.

The form of the invention shown in Figs. 3 to 5 is adapted for the upper magazine, since with the arrangement of the spindle. shown in this form of the invention, it would be in. ible to applz ower thereto and permit t e movement 0 t e base of the zine.

storm of the invention shown in Fig.-

8 difiers from that shown in Figs. 1 and 2 merely in the contour of the magazine in its from the side 1 as that go of the reehlso that the operator may readily grasp greatly facilitating the threading of the film and yet have the magazine, when closed substantially fireproof. This exposure 0% the e of the reel permits access thereto from either side of the machine, the embodiments of the invention shown in Figs. 8 to I being designed solely to increase the facility in which such access may be had.

It is not my fiitention to limit the invention to the precise details of construction shown in the accompanying drawi ing apparent that such may be varied without departing from the spirit and scope of the invention.

I Iaving described the invention what I claim as new, and desire to have protected by Letters Patent, is

e end of the film, thus,

1. A azine for cinematographic projectors em ying therein a back plate, a cover movabl mounted in relation to said back plate an having a deep flange adapted to pro'ect across the edge of a reel, said flange ving a slot therein through which the film may pass to the lens box, and a reel spindle supported so as to be positioned intermediate said back plate and said cover, with its free and toward said cover, said spindle being adapted to hold a film reel away from said so, whereby with the openm%firf1 the magazine, access may be had :plthe'f upon said reel from either side ereo 2. A ma e for cinemato phic rojectors em o d y ing therein a gi o?! plats, a cover movably mounted in relation to said back plate and havin a deep flange adapted to project across a e edge of a reel, said flange having a slot therein through which the film may as to the lens box, a reel spindle suppo d so as to be positioned intermediate said back plate and said cover, with its free and toward said cover, said spindle being ada ted to hold a film reel away frolfnthsaid whereby with tins openin o e magazine, accem me. be h to thedilm upon said reel from ei her side thereof, and a valve casing fixedly mounted in relation to the lens box of a rojector and in close 'uxtaposition to the ange of said cover, w ereby said valve casing will close the slot in said flange when the magazine is closed.

3. A magazine for cinematographic rojectors embodying therein a reel spin e, a base havin a narrow flange arranged upon one side 0 the reel upon said spindle, and a wver having a deep ange adapted to proone side of the reel upon spindle,

jec't across the edge, of said reel arranged upon the other side of a reel upon said spindle, and means whereby said base and said cover are pivotnlly mounted in relation to each other to permit arrests to the reel from either side thereof when the magazine is opened, the flange of said cover having a slot therein. adapted to straddle the film when the nmgazine is closed.

4. magazine for cineinatographie pro- 'eetors embodying therein a reel spindle a hose having,' a narrow flange arranged upon said spindle, and a cover having a. deep flange adapted to project across the edge of said reel arranged upon the other side of a reel upon said means whereby said base and said cover are pivotally mounted in relation to each other to permit across to the reel from either side thereof when the magazine is opened, the flange of said cover harim a slot therein adapted to straddle the 'lm when the magazine is closed, and a valve easing fixedly mounted in relation to the lens box, the flange. of said cover being in close juxtaposition to said easing. whereby said casing will close said slot in said flange.

5. A magazine for cinematographic pro jectors embodying therein a spindle adapted to receive a reel for the film, and means inclosing said spindle upon opposite sides and about the edgethereof, said means being movable in relation to the spindle to expose the edge of the reel upon saul'spindle when the magazine is opened, and the portion of said means inlosing the edge of the reel having a slottherein to permit the film to pass from the reel to a lens box.

(J. A magazine for cinematographic projeetors embodying therein a spindle adapted to rece ve a reel lor the film, means inclosmg said spindle upon opposite sides and about the ed e thereof, said means being movable in re ation to the spindle to expose the edge of the reel uponsai'd spindle when the magazine is opened, and the portion of said means inclosing the edge of the reel having a slot therein to permit the film to pass from the real to a lens box, and a valve casing fixedly mounted in relation to the lens box, the portion of said means inclos- 7 ing the edge of position to said will close said closed.

In witness whereof I have hereunto afiixecl my signature this 30th day of October, 1918,

in the presence of two subseribinglwit'nesses.

YERS.

the reel being in close juxtaeaslng, whereby said casing MORTON EARLE 1V itnesses:

F. T. W nx'rwonrn,

E. RENTON.

slot when the magazine is i 

